Please follow methods below for troubleshooting:
- Uninstall apps that are not often used: Settings>Apps> (Select an app you want to remove) Uninstall.
- Move apps that are stored in internal storage to SD card: Settings>Apps>Tap MOVEABLE >Select an app > Move to SD card.
- Change default location of app installation to SD card: Settings >ASUS customized settings> App installation settings> Prefer External Storage.
- Delete data that are not in use.